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Will my new amp and cab match?
Posted: Sat Sep 15, 2012 2:49 pm
by electrical
So I bought a Vox AC100CPH recently, and it has two outputs at 16 ohms or 8 ohms (parallel I believe, as according to the Vox manual 2x16 ohm speakers should be used with the amp's impedance set to 8 ohms). I also just bought a Kustom PRO412B, which has two 4 ohm inputs for a total impedance of 8 ohms. Will I be okay if I set my AC100CPH to 8 ohms and wire it up to the two inputs on my Kustom?
Re: Will my new amp and cab match?
Posted: Sat Sep 15, 2012 3:26 pm
by skullservant
If it says 8 ohms parallel on the amp and wanting 2 16 ohm cabs, you're going to want to feed another 8 ohms into it just to play it safe. So you could wire the two inputs on the custom to 1 of the inputs on the Vox, but then you'll just need another 8 ohm speaker or set of speakers wired as 8 ohms to make the Vox happy. In other words you'll have a huge doomy Vox rig
Re: Will my new amp and cab match?
Posted: Sat Sep 15, 2012 3:35 pm
by electrical
I just realized, I probably didn't explain the amp properly or clearly... there are two outputs. There's a master switch that sets the output to 16 ohms or 8 ohms impedance.
I'll probably end up rewiring the two inputs on the cab to be a single series input at 8 ohms total, and I'll probably run a single output of the Vox at 8 ohms into that.
Re: Will my new amp and cab match?
Posted: Sat Sep 15, 2012 4:14 pm
by MEC
electrical wrote:I'll probably end up rewiring the two inputs on the cab to be a single series input at 8 ohms total, and I'll probably run a single output of the Vox at 8 ohms into that.
That's probably the way to go. The two 4 Ohm outs combined would make a 2 Ohm load not 8.